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Vertumnite |
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Galli E, Passaglia E |
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Tschermaks Mineralogische und Petrographische Mitteilungen 25 (1978) 33-46 |
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Vertumnite: its crystal structure and relationship with natural and synthetic phases |
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Locality: Campomorto, Montalto di Castro |
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_database_code_amcsd 0015668 |
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5.755 5.755 25.12 90 90 120 P6_3/m |
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atom x y z occ Biso |
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Al 0 0 0 1.2 |
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Ca 1/3 2/3 .0212 1.1 |
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SiT1 0 0 .1857 .353 2.8 |
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AlT1 0 0 .1857 .277 2.8 |
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SiT2 2/3 1/3 .1855 .364 3.1 |
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AlT2 2/3 1/3 .1855 .286 3.1 |
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OH1 .3054 .2500 .0407 1.6 |
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OH2 1/3 2/3 .1208 .87 3.2 |
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Wat2 1/3 2/3 .1208 .13 3.2 |
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O1 0 0 .25 .78 5.5 |
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O2 2/3 1/3 .25 .73 4.4 |
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O3 .3350 .1232 .1608 .25 6.8 |
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OH3 .3350 .1232 .1608 .71 6.8 |
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Wat4 .231 .660 .25 .15 7.3 |
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